Kayla Cory, co-owner of Wonderwild, an indoor play area in Houston, says that she sees it regularly.

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Indoor play spaces raise anxieties for some parents.

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At 8 p.m. on the dot, he gets to play indoor ball.

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In the past, James Taylor has performed at the property, which in addition to the main house has a 20, 000-square-foot "play house" with an indoor clay tennis court, a gym and a three-bedroom apartment.

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The Omaha Beef, an indoor football team, have offered him to play for them, as have the Orlando Predators of the Arena League.

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Featuring the ability to wirelessly stream music from any Bluetooth-enabled device, Rukus XL offers great flexibility to play music that can fill any indoor or outdoor space while simultaneously charging your mobile device to ensure you never run out of power.

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Sharapova will play either second-seeded Li Na or qualifier Bethanie Mattek-Sands for the title in the indoor clay-court tournament Sunday.

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